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Old 20-01-2019, 23:18   #1
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Link10 battery monitor issue! 😔

Here it is: I'm having a strange issue with my link10 battery monitor. It's reading 12.7v on the display, but with my multimeter it's reading the correct value of 13.38v (same as battery voltage currently). Anyone have an idea what's going on there? Correct voltage is making it to the back of the link 10, but not to the display. Faulty?
I have done a couple resets and nothing seems to help out. Have also triple checked wiring and connections and fuses. All seems to be in order. Any suggestions would be greatly appreciated!
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Old 21-01-2019, 02:09   #2
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Re: Link10 battery monitor issue! 😔

Greetings and welcome aboard the CF, Scrimma.
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Old 21-01-2019, 02:30   #3
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Re: Link10 battery monitor issue! 😔

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Greetings and welcome aboard the CF, Scrimma.
Thank you sir!
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Old 21-01-2019, 02:32   #4
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Re: Link10 battery monitor issue! 😔

An update. I've checked and re checked manuals, wires, fuses, correct wiring paths etc. Readings still off. It really seems like something in the link10 is not right. Anyone have any experience similar to this? Any way of testing unit for sure?
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Old 21-01-2019, 08:43   #5
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Re: Link10 battery monitor issue! 😔

Mine is goofy too. In addition to odd voltage readings the voltage and amperage in use fluctuate considerably, e.g
Voltage ranging from 11.85 to 12.3 over a 10 second period. Anyone we else have this issue?
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Old 21-01-2019, 09:53   #6
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Re: Link10 battery monitor issue! 😔

No offense meant, but between the Link 10 and that ten buck meter, I'd take the word of the Link 10.
12.7 - 12.8 volts is correct for a fully charged 12 volt battery or battery bank.
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Old 21-01-2019, 09:55   #7
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Re: Link10 battery monitor issue! 😔

Virginia Lee, the fluctuation you're seeing is likely caused by a bad connection. Note that wire or cable connection can be tight mechanically, but still a bad connection electrically. Try disconnecting, cleaning and reconnecting the connections at the battery.
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Old 21-01-2019, 10:23   #8
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Re: Link10 battery monitor issue! 😔

Probably you have a diodebridge mounted. Measuring fore and aft the diode bridge may give a difference of 0.6 V?
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Old 21-01-2019, 12:57   #9
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Re: Link10 battery monitor issue! 😔

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No offense meant, but between the Link 10 and that ten buck meter, I'd take the word of the Link 10.
12.7 - 12.8 volts is correct for a fully charged 12 volt battery or battery bank.
No offence taken, although I wish it was only a $10 meter!
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Old 21-01-2019, 12:58   #10
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Re: Link10 battery monitor issue! 😔

welcome Scrimma . I had the same problem . My solution was .-start the engine and check the alternator output .-Check the battery terminals ,with and without the alternator.- All this readings were around 13.2-13.4 but in the panel remain 12.8 .
with a long wire with enough section i connect directly the panel monitor with the battery .Bingo!!!! it was 13.2 .
The problem was solved changing the wires to the panel and connecting before the main energy consumes .
I'm not sure that is the god rule but is an experience about it
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Old 21-01-2019, 13:00   #11
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Re: Link10 battery monitor issue! 😔

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Probably you have a diodebridge mounted. Measuring fore and aft the diode bridge may give a difference of 0.6 V?
This sounds like the most likely cause, but I cannot find where that would be anywhere...
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Old 21-01-2019, 13:06   #12
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Re: Link10 battery monitor issue! 😔

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welcome Scrimma . I had the same problem . My solution was .-start the engine and check the alternator output .-Check the battery terminals ,with and without the alternator.- All this readings were around 13.2-13.4 but in the panel remain 12.8 .
with a long wire with enough section i connect directly the panel monitor with the battery .Bingo!!!! it was 13.2 .
The problem was solved changing the wires to the panel and connecting before the main energy consumes .
I'm not sure that is the god rule but is an experience about it
Hello! Hmm sounds interesting. Could be the issue, although when I check the rear of the link 10 at the wire connections, I get the same as the battery suggesting the wires are still good. Did you get those same readings?
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Old 21-01-2019, 14:29   #13
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Re: Link10 battery monitor issue! 😔

I suggest test the link 10 directly and aisolate it from the present cables .Could be that the link 10 is consuming high energy or have a wrong reading .
Inmy case the voltaje directe in the original cables was low but fine with direct connection
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Old 21-01-2019, 20:04   #14
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Re: Link10 battery monitor issue! 😔

If your vom says 13.38 at the back of the link, I'd say it's bad. You can double check, of course, by connecting it directly to the battery, but I doubt that'll change anything. Stuff breaks. Oh well.
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Old 21-01-2019, 22:40   #15
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Re: Link10 battery monitor issue! 😔

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If your vom says 13.38 at the back of the link, I'd say it's bad. You can double check, of course, by connecting it directly to the battery, but I doubt that'll change anything. Stuff breaks. Oh well.
Yeah...unfortunately! I've decided to go ahead and order the bmv712 from victron. Should be here in a few days so I'll throw it in and see what happens. Could take me a little while though as I've just started changing out standing rigging and installing solar arch/davits and solar. Busy busy busy!
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